/*
 * Copyright 2016 Martin Winandy
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 */

package org.ricks.log;

import java.util.Collection;

/**
 * Writer for outputting log entries to system output streams.
 *
 * <p>
 * The error output stream will be used for log entries with the severity level warning and error. The standard output
 * stream will used for all other log entries.
 * </p>
 */
public final class ConsoleWriter extends AbstractFormatPatternWriter {

	private final Level errorLevel = Level.WARN;

	/**
	 *            Configuration for writer  todo
	 */
	public ConsoleWriter() {

	}

	@Override
	public Collection<LogEntryValue> getRequiredLogEntryValues() {
		Collection<LogEntryValue> logEntryValues = super.getRequiredLogEntryValues();
		logEntryValues.add(LogEntryValue.LEVEL);
		return logEntryValues;
	}

	@Override
	public void write(final LogEntry logEntry) {
		if (logEntry.getLevel().ordinal() < errorLevel.ordinal()) {
			System.out.print(render(logEntry));
		} else {
			System.err.print(render(logEntry));
		}
	}

	@Override
	public void flush() {
	}

	@Override
	public void close() {
	}

}
